<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8" />
  <title>计算器</title>
  <link rel="stylesheet" href="1.css" />
</head>

<body>
   <p>禾下月</p>
  <div id="box">
    <div id="box1">
      <h3>计算器</h3>
    </div>
    <div id="box2">
      <form id="jsq" name="jsq" action="">
        <input type="text" id="input" name="input" placeholder="计算框" />
        <br />
        <button value="AC" type="button" id="ac" onclick="AC()">AC</button>
        <button value="." type="button" id="t"  onclick="T()">.</button>
        <button value="%" type="button" id="n" onclick="N()">%</button>
        <button value="/" type="button" id="j" onclick="my10()">/</button>
        <br />
        <button value="1" type="button" id="a" onclick="my1()">1</button>
        <button value="2" type="button" id="b" onclick="my2()">2</button>
        <button value="3" type="button" id="c" onclick="my3()">3</button>
        <button value="*" type="button" id="k" onclick="my11()">*</button>
        <br />
        <button value="4" type="button" id="d" onclick="my4()">4</button>
        <button value="5" type="button" id="e" onclick="my5()">5</button>
        <button value="6" type="button" id="f" onclick="my6()">6</button>
        <button value="-" type="button" id="l" onclick="my12()">-</button>
        <br />
        <button value="7" type="button" id="g" onclick="my7()">7</button>
        <button value="8" type="button" id="h" onclick="my8()">8</button>
        <button value="9" type="button" id="i" onclick="my9()">9</button>
        <button value="+" type="button" id="m" onclick="my13()">+</button>
        <br />
        <div id="deng">
          <button value="0" type="button" id="p" onclick="my14()">0</button>
          <button value="=" type="button" id="deng_yu" onclick="DENG_YU()">=</button>
       
        </div>
      </form>
    </div>
  </div>
  <script src="1.js"></script>
</body>

</html>